When it comes to smartphones we are talking about a wide range of specifications, newly released devices and and also a lot of confusion. The 4G LTE bands can differ from country to country, from mobile carrier to mobile carrier and from device to device. As for the Long Term Evolution (LTE) 4G networks we are in with almost 70 bands. Check this Wikipedia tables for more information on this: Wikipedia – LTE frequency bands

To see what LTE bands your device supports is to search for your device on the following website and scroll down at the LTE section: FrequencyCheck.com The LTE bands and frequencies supported by your device will be listed in the LTE table.

Example of table entry from FrequencyCheck.com:B1(2100) LTE – meaning that the device works on LTE band 1 on frequency of 2100 MHz. More entries like this will be found for any 4G device.

The devices that operate using radio frequencies and are manufactured for the US market has to be licensed by the The Federal Communications Commission (FCC). These devices should be labeled with the FCC logo on their box. You can find your device using its FCC ID. To find this id you might check the FCC certificate alongside the user manual in the box of your device or search for your device model on PhoneArena.com. Some devices are also showing this information in Settings menu > About this device and the information should be also present on the bar code label applied on the devices’s box.

FCC website may also contain information on your device including various signal diagrams and radio technologies that your device can use, including GPRS, WiFi and LTE tests on various bands and frequencies. To do a check of the FCC documentation for your device input your device’s FCC id number on to the following page: